问题
选择题
The employment rate has continued to rise in big cities, thanks to the efforts of the local governments to increase ___. [ ]
A. them
B. those
C. it
D. that
答案
答案：C
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The employment rate has continued to rise in big cities, thanks to the efforts of the local governments to increase ___. [ ]
A. them
B. those
C. it
D. that
答案：C